1set enable_seqscan=off; 2 3CREATE TABLE test_float4 ( 4 i float4 5); 6 7INSERT INTO test_float4 VALUES (-2),(-1),(0),(1),(2),(3); 8 9CREATE INDEX idx_float4 ON test_float4 USING gin (i); 10 11SELECT * FROM test_float4 WHERE i<1::float4 ORDER BY i; 12SELECT * FROM test_float4 WHERE i<=1::float4 ORDER BY i; 13SELECT * FROM test_float4 WHERE i=1::float4 ORDER BY i; 14SELECT * FROM test_float4 WHERE i>=1::float4 ORDER BY i; 15SELECT * FROM test_float4 WHERE i>1::float4 ORDER BY i; 16